Singulars
a prickly plant that grows in the desert
cactus
plural form of child; many young people under the age of 12
children
a building or place with a collection of books
library
the 8th month of the year
August
the 7th month of the year
July
child
plural for of wolf; wild mammals of the dog family
wolves
the body organ which helps humans and animals to breathe
lungs
a special building with many doctors and nurses that take care of sick people
hospital
to perform something over and over
practice
a detailed examination of something
analysis
plural for of cactus; a prickly plant that grows in the desert
cacti
the framework of bones within both humans and some animals
skeleton
a wild mammal of the cat family
cougar
the outside of something
external
a wild mammal of the dog family
wolf
plural form of knife; many sharp objects used for cutting things
knives
a person who is learning or studying
student
the amount of something available to use
supply
the inside of something
internal
a sharp object used for cutting things
knife
plural form of analysis; many detailed examinations of something
analyses
make available for use; to give
provide
the thing humans and animals need in order to breathe
oxygen
the unit of heredity which contains DNA
gene